class A {
   double f(int x,double y) {
     return x+y;
   }
   int f(int x,int y) {
     return x*y;
   }
}
public class Tfive {
   public static void main(String args[]) {
     A a=new A();
     System.out.println(a.f(10,10));  //代码1
     System.out.println(a.f(10,10.0)); //代码2
   }
}
